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Hundreds of categories, thousands of products, millions of details and user reviews for detectors. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from detectors rank are based solely on various data and feedback from actual people who have purchased the products.

All detectors
All from 359
QINGPING CO2 & Temperature & RH Monitor - Air Quality Meter
QINGPING CO2 & Temperature & RH Monitor
1,999,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy at the price for both existing and new AlzaPlus+ members 1,599,-
Air Quality Meter - detects gas, temperature, humidity, measurement range from 400 to 9999 ppm, temperature measurement from -20 to 50 °C with accuracy 0.5 °C, humidity measurement...
Elektrobock CN05C - Motion Sesnor
Elektrobock CN05C
259,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Opti Radon Meter RN-55 Optigrund - Gas Leak Detector
Opti Radon Meter RN-55 Optigrund
4,667,-
From 107,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - battery-powered, battery indication and display, features test button and memory, cover material plastic, operating temperature from 4 to 50 °C,, battery...
Homematic IP Smoke detector HmIP-SWSD-2 - Smoke Detector
Homematic IP Smoke detector HmIP-SWSD-2
1,571,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , detection reach 40 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating...
EVOLVEO SecuPro wireless PIR motion sensor - Motion Sesnor
EVOLVEO SecuPro wireless PIR motion sensor
499,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply:...
EMOS GoSmart PIR sensor (motion sensor), ZigBee - Motion Sesnor
EMOS GoSmart PIR sensor (motion sensor), ZigBee
799,-
In stock 1 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, open system with detection motion compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, range:...
Kidde Fire and Smoke Detector 10Y29 - Smoke Detector
Kidde Fire and Smoke Detector 10Y29
599,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - signal volume 85 dB, standalone unit
Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2 - Motion Sesnor
Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2
2,090,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: lighting, heating and cooling and security, application in Czech, power supply:...
Homematic IP Siren indoor - HmIP-ASIR-2 - Siren
Homematic IP Siren indoor - HmIP-ASIR-2
1,571,-
In stock > 5 pcs at the supplier's
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered
Airthings View Pollution - air quality monitor - Air Quality Meter
Airthings View Pollution - air quality monitor
4,899,-
From 113,- per month
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter is designed for indoor environments where it monitors humidity and temperature. You use batteries or a USB cable to power it. Easily connect the air detector to...
Ajax MotionProtect Curtain Black - Motion Sesnor
Ajax MotionProtect Curtain Black
2,623,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Ajax, range: security, application in English, Czech, German and Slovak, power...
Somfy Indoor siren - Siren
Somfy Indoor siren
3,689,-
From 170,- per month
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Siren - open system, area of use: security, compatible with Manufacturer app, power supply: Battery-Powered
MOES Human Presence Sensor + Light Sensor, Zigbee - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, Zigbee
599,-
Currently Unavailable
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
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iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0 - Smoke Detector
iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
799,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya...
MOES Smoke Detector, Zigbee - Smoke Detector
MOES Smoke Detector, Zigbee
899,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement from 0 to 55 °C, battery-powered , detection reach 15 m, acoustic signals, notifications via push notifications, signal volume 85 dB,...
Xiaomi Mi Motion Sensor 2S - Motion Sesnor
Xiaomi Mi Motion Sensor 2S
399,-
In stock > 10 pcs at the supplier's
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Xiaomi Home, range: lighting, security and home control, power supply:...
FireAngel FA3820 CO detector with integrated power supply for 10 years of operation - Gas Leak Detector
FireAngel FA3820 CO detector with integrated power supply for 10 years of operation
899,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features test button, temporary shutdown and...
Airthings Wave Enhance - Air Quality Meter
Airthings Wave Enhance
3,899,-
From 180,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via...
BOT Smart gas detector WiFi GS5 - Gas Leak Detector
BOT Smart gas detector WiFi GS5
789,-
In stock > 5 pcs at the supplier's
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, display, features alarm, cover material...
Meross Smart Water Leak Sensor - Sensor
Meross Smart Water Leak Sensor
599,-
In stock > 10 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60...
Meross Smart Water Leak Sensor Kit - Sensor
Meross Smart Water Leak Sensor Kit
729,-
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60...
AQARA Vibration Sensor T1 (VB-S01D) - Vibration Detector
AQARA Vibration Sensor T1 (VB-S01D)
509,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Vibration Detector - detects Opening windows and doors, Fall and vibration gas, battery-powered, reaction time: 1s, compatible with Apple Home and Manufacturer app, battery...
Somfy Smoke Detector One+ - Smoke Detector
Somfy Smoke Detector One+
Discounted -12 % 1,579,- 1,799,-
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - mains + battery-powered , detection reach 200 m, notifications via SMS, email, push notifications, signal volume 85 dB, compatible with TaHoma, requires a central...
Smoot Air Gas Sensor - Gas Leak Detector
Smoot Air Gas Sensor
890,-
In stock 4 pcs at the supplier's
Gas Leak Detector - detects natural gas, propane-butane, smoke, mains power supply, notifications via push notifications, battery indication and display, cover material plastic,...
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